Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method for minimizing interference in a converged LMR/LTE communications device that operates in a land mobile radio (LMR) narrowband communication system and a long term evolution (LTE) broadband communication system, the method comprising: determining a first LMR received signal strength indicator (RSSI) at the converged LMR/LTE communications device; determining a first LTE Reference Symbol Receive Power (RSRP) at the converged LMR/LTE communications device; determining whether an intersection of the first LMR RSSI and the first LTE RSRP falls within an interference range on a predetermined graph, the predetermined graph based upon an LMR frequency band and an LTE frequency band that the converged LMR/LTE communications device is currently utilizing; and decreasing bit rate for LTE transmissions for the converged LMR/LTE communications device responsive to determining that the intersection of the first LMR RSSI and the first LTE RSRP is within the interference range.
This invention addresses interference management in converged LMR/LTE devices operating in both land mobile radio (LMR) narrowband and LTE broadband systems. The method monitors signal conditions to dynamically adjust LTE transmission parameters when interference is detected. The device measures the LMR received signal strength indicator (RSSI) and LTE Reference Symbol Receive Power (RSRP). These values are compared against a predefined interference range on a graph correlating LMR and LTE frequency bands. If the intersection of the measured RSSI and RSRP falls within this interference range, the device reduces the LTE transmission bit rate to mitigate interference. The solution ensures coexistence between LMR and LTE systems by dynamically adjusting LTE performance based on real-time signal conditions, preventing degradation in either system. The method is particularly useful in environments where both LMR and LTE systems operate in proximity, such as public safety or industrial applications. The interference range is determined based on the specific frequency bands in use, allowing for tailored adjustments to maintain reliable communication in both systems.
2. The method of claim 1 , wherein the step of decreasing comprises setting a capped bit rate for LTE transmissions for the converged LMR/LTE communications device.
This invention relates to wireless communication systems, specifically methods for managing data transmission rates in converged Land Mobile Radio (LMR) and Long-Term Evolution (LTE) devices. The problem addressed is ensuring reliable LMR communications while optimizing LTE data throughput in hybrid devices that support both technologies. The method involves dynamically adjusting the LTE transmission rate to prevent interference with critical LMR operations. When LMR communications are active, the LTE data rate is capped to a predefined maximum to maintain LMR signal integrity. This capping mechanism ensures that LTE transmissions do not degrade the performance of mission-critical LMR services, such as emergency communications. The capped bit rate is determined based on system requirements, network conditions, and the priority of ongoing LMR traffic. The solution is particularly useful in public safety and industrial environments where LMR reliability is paramount. By intelligently limiting LTE throughput during LMR activity, the system balances the need for high-speed data access with the necessity of uninterrupted LMR operations. The method may also include monitoring LMR traffic patterns and dynamically adjusting the LTE cap in real-time to optimize overall network efficiency. This approach ensures that LTE users experience minimal disruption while maintaining the highest standards of LMR communication quality.
3. The method of claim 2 , wherein the capped bit rate is decreased to a predetermined bit rate, the predetermined bit rate limiting LTE uplink transmitted signal interference.
This invention relates to wireless communication systems, specifically to managing uplink signal interference in LTE (Long-Term Evolution) networks. The problem addressed is reducing interference caused by LTE uplink transmissions, which can degrade network performance and user experience. The solution involves dynamically adjusting the capped bit rate of uplink transmissions to a predetermined bit rate, which is set to limit interference while maintaining acceptable communication quality. The method includes monitoring uplink transmission parameters and determining when interference exceeds acceptable levels. When interference is detected, the capped bit rate is reduced to a predetermined value that ensures uplink signals do not excessively interfere with other transmissions. This predetermined bit rate is selected based on network conditions, device capabilities, and regulatory constraints to balance performance and interference mitigation. The adjustment may be applied selectively to specific devices or across the entire network, depending on the interference scenario. By dynamically controlling the uplink bit rate, the invention prevents excessive interference while allowing efficient use of available spectrum. This approach is particularly useful in dense network deployments or areas with high user density, where interference management is critical. The method ensures compliance with regulatory limits and improves overall network reliability and throughput.
4. The method of claim 2 , the method further comprising the step of utilizing the capped bit rate to limit the bit rate.
A system and method for managing data transmission rates in a network environment addresses the problem of inefficient bandwidth utilization and potential network congestion. The invention involves dynamically adjusting the bit rate of data transmission to optimize network performance while preventing excessive resource consumption. The method includes determining a capped bit rate, which serves as an upper limit for data transmission speed, and then actively applying this limit to constrain the actual bit rate during transmission. This ensures that data flows do not exceed predefined thresholds, thereby maintaining stable network operations and fair resource allocation among users. The capped bit rate is derived from network conditions, user preferences, or service-level agreements, allowing for flexible and adaptive control. By enforcing this limit, the system prevents bandwidth overuse, reduces latency, and improves overall network efficiency. The method is particularly useful in scenarios where multiple devices or applications compete for limited network resources, such as in wireless networks, cloud computing, or multimedia streaming services. The invention provides a technical solution to balance performance and resource management in dynamic network environments.
5. The method of claim 4 , wherein the bit rate comprises a predetermined percentage of the capped bit rate.
A method for managing data transmission rates in a communication system addresses the problem of inefficient bandwidth utilization and network congestion. The method involves dynamically adjusting the bit rate of data transmission based on network conditions to optimize performance while preventing excessive bandwidth consumption. A key aspect is the use of a capped bit rate, which sets an upper limit on the transmission rate to avoid overloading the network. The method further includes determining a bit rate that is a predetermined percentage of this capped bit rate, ensuring that the transmission rate remains within controlled bounds while adapting to varying network conditions. This approach helps maintain stable and efficient data transfer without causing unnecessary congestion or underutilization of available bandwidth. The method is particularly useful in scenarios where network resources are limited or shared among multiple users, such as in wireless communication systems or cloud-based data transmission. By dynamically adjusting the bit rate as a percentage of the capped rate, the system can balance performance and resource efficiency, ensuring reliable and predictable data delivery.
6. The method of claim 1 , wherein the step of decreasing comprises disabling an LTE application on the converged LMR/LTE communications device.
This invention relates to wireless communication systems, specifically methods for managing power consumption in converged Land Mobile Radio (LMR) and Long-Term Evolution (LTE) devices. The problem addressed is the excessive power drain in such devices when both LMR and LTE functionalities are active simultaneously, particularly in scenarios where LTE applications are not essential for critical operations. The method involves selectively disabling LTE applications on the converged LMR/LTE device to reduce power consumption while maintaining LMR functionality. This is particularly useful in emergency or public safety scenarios where LMR is prioritized for reliable communication, and LTE may be used for non-critical data or supplementary services. By disabling LTE applications, the device conserves battery life without compromising the primary LMR communication capabilities. The method may also include monitoring the device's power state or operational context to determine when LTE applications can be safely disabled. For example, if the device is in a low-power mode or if LTE connectivity is not required for the current task, the system automatically disables LTE applications to extend battery life. This approach ensures that the device remains operational for longer periods, which is critical in situations where recharging is not immediately possible. The invention is particularly relevant for first responders, field personnel, and other users who rely on LMR for mission-critical communication while occasionally using LTE for additional services. By intelligently managing LTE application usage, the device achieves better power efficiency without sacrificing essential communication functions.
7. The method of claim 6 , wherein the step of disabling an LTE application on the converged LMR/LTE communications device comprises disabling the LTE application using a destination IP address of the LTE application.
This invention relates to managing applications on converged LMR (Land Mobile Radio) and LTE (Long-Term Evolution) communications devices. The problem addressed is the need to selectively disable LTE applications on such devices to prioritize LMR functionality, particularly in critical communication scenarios where LMR reliability is essential. The method involves disabling an LTE application on a converged LMR/LTE device by targeting its destination IP address. This approach ensures that the LTE application is deactivated without affecting other applications or the device's core functions. The process may include identifying the LTE application based on its IP address, then blocking or terminating its network access, effectively disabling it while maintaining LMR operations. This selective disabling allows the device to conserve resources and ensure uninterrupted LMR communication, which is critical for public safety, emergency services, and other mission-critical applications. The method may also involve monitoring the device's operational state to determine when LTE applications should be disabled, such as during high-priority LMR transmissions or in low-power conditions. By using the destination IP address, the system ensures precise control over which applications are disabled, avoiding unintended disruptions to other services. This solution enhances the reliability and efficiency of converged LMR/LTE devices in environments where LMR communication must take precedence.
8. The method of claim 6 , wherein the step of disabling an LTE application on the converged LMR/LTE communications device comprises instructing the LTE application to stop producing LTE traffic for a first period of time.
This invention relates to managing LTE (Long-Term Evolution) applications on converged LMR (Land Mobile Radio)/LTE communications devices to optimize network performance. The problem addressed is the potential interference or resource contention between LTE applications and critical LMR communications, which are often used in public safety and mission-critical scenarios. The solution involves selectively disabling LTE applications to reduce LTE traffic during specific periods, ensuring that LMR communications remain prioritized and uninterrupted. The method includes a step where an LTE application on the converged device is instructed to stop generating LTE traffic for a defined duration, referred to as a first period of time. This temporary disablement prevents LTE applications from consuming excessive bandwidth or processing resources, which could otherwise degrade the performance of LMR communications. The approach ensures that LTE applications do not interfere with mission-critical LMR operations, maintaining reliability and efficiency in environments where both communication technologies coexist. The method may be part of a broader system that monitors network conditions and dynamically adjusts LTE application behavior to balance performance between LTE and LMR functionalities.
9. The method of claim 1 , wherein the LMR frequency band comprises the 700 MHz band and wherein the LTE frequency band is band 14.
A system and method for wireless communication involves using a Long-Term Evolution (LTE) frequency band, specifically band 14, in conjunction with a Land Mobile Radio (LMR) frequency band, particularly the 700 MHz band. The system is designed to enable coexistence between LTE and LMR systems, allowing both to operate efficiently in the same or adjacent frequency spectrum without significant interference. The LTE band 14 operates in the 700 MHz range, which overlaps or is adjacent to traditional LMR frequencies, requiring careful coordination to prevent signal degradation. The method includes techniques for spectrum sharing, such as dynamic frequency allocation, power control, and interference mitigation, to ensure reliable communication for both LTE and LMR users. This approach is particularly useful in public safety and emergency response scenarios, where LMR systems are critical for mission-critical communications, while LTE provides broader data and voice services. The system may also incorporate adaptive modulation and coding schemes to optimize performance based on real-time conditions. By integrating these technologies, the method ensures seamless interoperability between legacy LMR networks and modern LTE infrastructure, enhancing overall communication reliability and efficiency.
10. The method of claim 1 , wherein the LMR frequency band comprises the 700 MHz band and wherein the LTE frequency band is band 13.
A system and method for wireless communication involves utilizing a low-power radio (LMR) frequency band and a Long-Term Evolution (LTE) frequency band to enhance communication reliability and efficiency. The LMR frequency band operates in the 700 MHz band, which provides better penetration through obstacles and wider coverage compared to higher frequency bands. The LTE frequency band used is band 13, which is also within the 700 MHz spectrum, ensuring compatibility and efficient spectrum utilization. The method includes dynamically switching between the LMR and LTE bands based on signal conditions, network load, or user requirements to optimize performance. This dual-band approach allows for seamless communication in environments where one band may be obstructed or congested, improving overall network reliability. The system may include a transceiver capable of operating in both bands, along with control logic to manage band selection and handoff processes. The integration of these bands enables enhanced coverage, reduced interference, and improved data throughput for users in both public safety and commercial applications. The method ensures that critical communications remain uninterrupted by leveraging the strengths of both frequency bands.
11. The method of claim 1 , wherein the LMR frequency band comprises the 800 MHz band and wherein the LTE frequency band is band 5.
This invention relates to wireless communication systems, specifically methods for managing radio frequency bands to improve network performance. The problem addressed is the efficient utilization of licensed mobile radio (LMR) frequency bands, such as the 800 MHz band, alongside Long-Term Evolution (LTE) frequency bands, particularly LTE Band 5, which also operates in the 800 MHz range. The solution involves dynamically allocating and coordinating the use of these overlapping frequency bands to minimize interference and optimize spectrum efficiency. The method includes techniques for sharing the 800 MHz band between LMR and LTE systems, ensuring that critical LMR services, such as public safety communications, are prioritized while allowing LTE networks to operate in the same spectrum without causing disruptions. This may involve adaptive frequency allocation, power control, or time-division multiplexing to balance the needs of both systems. The approach ensures that LTE Band 5 can coexist with LMR operations, enhancing overall network capacity and reliability. The solution is particularly useful in scenarios where spectrum resources are limited, such as in urban or high-density areas, where both LMR and LTE services are in high demand.
12. The method of claim 1 , wherein the LTE frequency band comprises one of Band 5, Band 13, or Band 14.
This invention relates to wireless communication systems, specifically methods for optimizing frequency band selection in LTE (Long-Term Evolution) networks. The problem addressed is the need for efficient and reliable frequency band allocation to improve network performance, coverage, and compatibility with different regulatory and operational requirements. The method involves selecting an LTE frequency band from a predefined set of options, including Band 5, Band 13, or Band 14. These bands are chosen based on their specific characteristics, such as coverage area, interference resistance, and regulatory approvals. Band 5 operates in the 850 MHz range, offering wide coverage and penetration, particularly useful in rural or suburban areas. Band 13, also in the 700 MHz range, is optimized for urban environments with high population density. Band 14, another 700 MHz band, is reserved for public safety and emergency services, ensuring priority access during critical situations. The selection process may consider factors like signal strength, network congestion, and user device capabilities to determine the most suitable band for a given communication scenario. By dynamically assigning these bands, the method enhances network efficiency, reduces interference, and ensures reliable connectivity across different environments. This approach is particularly beneficial for mobile operators seeking to balance performance, coverage, and regulatory compliance in their LTE deployments.
13. The method of claim 12 , the method further comprising the step of detecting that the converged LMR/LTE communications device has transitioned to a band other than one of Band 5, Band 13, or Band 14.
A method for managing communications in a converged Land Mobile Radio (LMR) and Long-Term Evolution (LTE) device involves monitoring the device's operational state and adjusting its behavior based on detected conditions. The device is configured to operate in both LMR and LTE modes, with the ability to prioritize LMR communications when certain criteria are met. This includes detecting when the device is in a high-priority LMR mode, such as during an emergency or critical operation, and ensuring that LTE communications are deferred or suspended to avoid interference or resource conflicts. The method also includes detecting when the device transitions to a frequency band outside of Band 5, Band 13, or Band 14, which are commonly used for public safety and critical communications. Upon detecting such a transition, the device may adjust its operational parameters, such as power levels or channel selection, to maintain reliable communication in the new band. The method ensures seamless integration of LMR and LTE functionalities while prioritizing critical communications in designated frequency bands.
14. The method of claim 13 , the method further comprising the step of increasing the bit rate for LTE transmissions for the converged LMR/LTE communications device.
This invention relates to wireless communication systems, specifically improving data transmission efficiency in converged Land Mobile Radio (LMR) and Long-Term Evolution (LTE) devices. The problem addressed is the need to optimize data rates in hybrid LMR/LTE systems where devices must balance legacy LMR voice communications with modern LTE data services. The method involves dynamically adjusting the bit rate for LTE transmissions within a converged LMR/LTE device. This adjustment ensures that the device can maintain reliable LMR voice communications while maximizing LTE data throughput. The process includes monitoring network conditions, prioritizing critical LMR traffic, and dynamically allocating bandwidth to LTE transmissions based on real-time demand. By increasing the LTE bit rate when conditions permit, the system enhances data transfer efficiency without compromising LMR service quality. The solution is particularly useful in public safety and emergency response scenarios where both voice and data communications are essential. The invention ensures seamless integration of legacy and modern wireless technologies, improving overall system performance and reliability.
15. The method of claim 1 , wherein the LTE transmissions comprise location update data and non-location data, and wherein the step of decreasing the bit rate for LTE transmissions comprises decreasing the bit rate for the non-location data.
This invention relates to wireless communication systems, specifically methods for managing Long-Term Evolution (LTE) transmissions to optimize network efficiency and resource allocation. The problem addressed is the need to balance the transmission of different types of data, particularly location update data and non-location data, to ensure critical information is prioritized while reducing unnecessary bandwidth usage. The method involves distinguishing between location update data, which is essential for tracking and network management, and non-location data, which may include less time-sensitive information. By selectively decreasing the bit rate for non-location data while maintaining or adjusting the bit rate for location update data, the system ensures that critical tracking information is transmitted reliably without unnecessary delays. This approach helps conserve network resources, reduce congestion, and improve overall system performance, especially in scenarios where bandwidth is limited or shared among multiple users. The technique may be applied in various wireless communication environments, including mobile networks, IoT devices, and other systems where efficient data transmission is crucial. By dynamically adjusting the bit rate based on data type, the method enhances the reliability and efficiency of LTE transmissions while minimizing the impact on network performance.
16. A converged LMR/LTE communications device for minimizing interference when operating in a land mobile radio (LMR) narrowband communication system and a long term evolution (LTE) broadband communication system, the converged LMR/LTE communications device comprising: a processor that performs: determining a first LMR received signal strength indicator (RSSI) at the converged LMR/LTE communications device; determining a first LTE Reference Symbol Receive Power (RSRP) at the converged LMR/LTE communications device; determining whether an intersection of the first LMR RSSI and the first LTE RSRP falls within an interference range on a predetermined graph, the predetermined graph based upon an LMR frequency band and an LTE frequency band that the converged LMR/LTE communications device is currently utilizing; and decreasing bit rate for LTE transmissions for the converged LMR/LTE communications device responsive to determining that the intersection of the first LMR RSSI and the first LTE RSRP is within the interference range.
This invention relates to a converged communications device designed to minimize interference between land mobile radio (LMR) narrowband systems and long-term evolution (LTE) broadband systems. The device operates in environments where both LMR and LTE systems share or overlap in frequency bands, leading to potential interference. The device includes a processor that measures the received signal strength indicator (RSSI) for LMR signals and the reference symbol receive power (RSRP) for LTE signals. These measurements are compared against a predetermined graph that maps interference risks based on the specific LMR and LTE frequency bands in use. If the intersection of the LMR RSSI and LTE RSRP falls within a defined interference range on this graph, the device automatically reduces the LTE transmission bit rate to mitigate interference. This adaptive approach ensures coexistence between LMR and LTE systems while maintaining reliable communication in both. The solution is particularly useful in public safety, emergency services, and other applications where both narrowband and broadband communications are critical.
17. The converged LMR/LTE communications device of claim 16 , wherein the step of decreasing comprises setting a capped bit rate for LTE transmissions for the converged LMR/LTE communications device.
This invention relates to a converged Land Mobile Radio (LMR) and Long-Term Evolution (LTE) communications device designed to manage bandwidth allocation between LMR and LTE networks. The device addresses the challenge of ensuring reliable LMR communications, which are critical for public safety and mission-critical applications, while also supporting LTE data services. The invention includes a method for dynamically adjusting LTE transmission parameters to prioritize LMR traffic when needed. Specifically, the device implements a mechanism to decrease LTE transmission rates by setting a capped bit rate for LTE transmissions. This ensures that LMR communications remain uninterrupted and prioritized, even when LTE data traffic is present. The capped bit rate limits the maximum data rate for LTE transmissions, preventing LTE from consuming excessive bandwidth that could degrade LMR performance. The device may also include additional features such as monitoring network conditions, detecting LMR traffic priority, and dynamically adjusting LTE transmission parameters in response to real-time network demands. The overall system ensures seamless integration of LMR and LTE functionalities while maintaining the reliability and priority of LMR communications.
18. The converged LMR/LTE communications device of claim 17 , wherein the processor is further configured to utilize the capped bit rate to limit the bit rate, and wherein the bit rate comprises a predetermined percentage of the capped bit rate.
This invention relates to a converged Land Mobile Radio (LMR) and Long-Term Evolution (LTE) communications device designed to integrate mission-critical voice and data services. The device addresses the challenge of efficiently managing bandwidth in hybrid LMR/LTE networks, where LMR provides reliable voice communications and LTE offers high-speed data services. The device includes a processor configured to dynamically allocate bandwidth between LMR and LTE functionalities, ensuring critical voice communications are prioritized while allowing data services to utilize remaining capacity. A key feature is the use of a capped bit rate to limit the overall data transmission rate, preventing excessive LTE data usage from degrading LMR performance. The processor enforces this limit by restricting the bit rate to a predetermined percentage of the capped bit rate, ensuring predictable and controlled data throughput. This mechanism allows the device to maintain stable voice communications while dynamically adjusting data services based on available bandwidth. The system may also include additional components such as a transceiver for wireless communication, a memory for storing operational parameters, and interfaces for connecting to external networks or devices. The invention ensures seamless integration of LMR and LTE functionalities, optimizing resource allocation in mission-critical environments.
19. The converged LMR/LTE communications device of claim 16 , wherein the step of decreasing comprises disabling an LTE application on the converged LMR/LTE communications device.
A converged LMR (Land Mobile Radio) and LTE (Long-Term Evolution) communications device is designed to integrate both LMR and LTE functionalities into a single device, enabling seamless communication across different networks. A key challenge in such devices is managing power consumption and network prioritization, particularly when both LMR and LTE services are active simultaneously. To address this, the device includes a mechanism to decrease LTE functionality when necessary, such as during critical LMR operations or to conserve power. Specifically, the device can disable an LTE application entirely to prioritize LMR communications or reduce power usage. This ensures that LMR services, which are often mission-critical for public safety and emergency responders, remain uninterrupted while minimizing unnecessary LTE activity. The disabling of the LTE application can be triggered automatically based on predefined conditions, such as low battery levels or high-priority LMR traffic, ensuring efficient resource management without manual intervention. This approach enhances the reliability and efficiency of the converged device in scenarios where LMR performance must take precedence.
20. The converged LMR/LTE communications device of claim 16 , wherein the LTE transmissions comprise location update data and non-location data, and wherein the step of decreasing the bit rate for LTE transmissions comprises decreasing the bit rate for the non-location data.
This invention relates to a converged Land Mobile Radio (LMR) and Long-Term Evolution (LTE) communications device designed to optimize bandwidth usage in scenarios where LTE transmissions include both location update data and non-location data. The device is configured to prioritize critical location update data while reducing the bit rate for non-location data to conserve bandwidth. This approach ensures that essential location tracking remains uninterrupted while minimizing the impact on overall network performance. The system dynamically adjusts transmission rates based on the type of data being transmitted, allowing for efficient resource allocation. By distinguishing between location-dependent and non-location-dependent data, the device ensures reliable communication for emergency services and other applications requiring precise location tracking. The solution addresses the challenge of maintaining high-priority data integrity while optimizing network efficiency in converged LMR/LTE environments. The invention is particularly useful in public safety and mission-critical communications where bandwidth constraints and data prioritization are critical.
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December 22, 2020
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